Nittaku Fastarc G-1 vs Xiom Vega X: Which Should You Buy?

UltraSpin comparison · 2026-06-11 · rubber

Nittaku Fastarc G-1Xiom Vega X
Our rating8.8/108.7/10
best_sidebothForehand or Backhand
controlmedium-highHigh
speed15.0 (Nittaku)OFF
spin12.5 (Nittaku)Very High
sponge_hardness47.5°45 degrees (medium-hard)
typetensor invertedInverted tensor
weight_uncut_g69around 70 g (uncut max), around 53 g cut to standard head size

We may earn a commission from links on this page. Learn more.

Fastarc G-1 (8.8) and Xiom Vega X (8.7) sit close in rating but serve distinct niches. G-1 is the premium choice: Tenergy-class durability means performance drops very slowly, and its high, forgiving arc makes opening loops consistent. Its 47.5-degree sponge and 69g weight deliver heavy spin with real speed across both wings—a proven, hugely popular all-court weapon for intermediate-to-advanced attackers.

Vega X is the smart value play, delivering speed and spin very close to Tenergy 05 at a fraction of the cost. Its outstanding aggregate Revspin ratings (Speed 8.9, Spin 9.1, Control 8.9) and good durability over extended use make it excellent for consistent looping and counter-looping. However, Vega X’s higher spin sensitivity can trip up less experienced players against heavy incoming spin, and its 45-degree sponge is softer than G-1’s 47.5. Vega X also works equally well on both wings, whereas G-1 is specifically optimized for all-court play. If durability and premium feel matter, G-1 is the call. If you want Tenergy 05-level performance at lower cost and are tactically mature, Vega X delivers.

FAQ

Which performs closer to Tenergy 05?

Xiom Vega X delivers speed and spin very close to Tenergy 05 level at a fraction of the cost. Fastarc G-1 is separate-platform premium.

Which lasts longer?

Fastarc G-1 has Tenergy-class durability with very slow decline. Xiom Vega X maintains good performance over extended use.

Which has softer sponge?

Xiom Vega X has 45 degrees (medium-hard). Fastarc G-1 has 47.5 degrees (firmer).

Which is lighter uncut?

Xiom Vega X is around 70g uncut (53g cut). Fastarc G-1 is 69g uncut, nearly identical.

Which works better on both wings?

Both work well on either wing. Fastarc G-1 is optimized as a proven all-court rubber. Xiom Vega X is versatile on forehand or backhand equally.